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Add support for BC1/2/3 decompression (for 3D textures) (#2987)

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* Add support for BC1/2/3 decompression (for 3D textures)

* Optimize and clean up

* Unsafe not needed here

* Fix alpha value interpolation when a0 <= a1
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gdkchan 2022-01-22 15:23:00 -03:00 • committed by GitHub
parent 8117f6a979
commit 42c75dbb8f
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 720 additions and 143 deletions
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30
Ryujinx.Graphics.Gpu/Image/Texture.cs
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@ -834,13 +834,31 @@ namespace Ryujinx.Graphics.Gpu.Image
{
data = PixelConverter.ConvertR4G4ToR4G4B4A4(data);
}
else if (Target == Target.Texture3D && Format.IsBc4())
else if (!_context.Capabilities.Supports3DTextureCompression && Target == Target.Texture3D)
{
data = BCnDecoder.DecodeBC4(data, width, height, depth, levels, layers, Info.FormatInfo.Format == Format.Bc4Snorm);
}
else if (Target == Target.Texture3D && Format.IsBc5())
{
data = BCnDecoder.DecodeBC5(data, width, height, depth, levels, layers, Info.FormatInfo.Format == Format.Bc5Snorm);
switch (Format)
{
case Format.Bc1RgbaSrgb:
case Format.Bc1RgbaUnorm:
data = BCnDecoder.DecodeBC1(data, width, height, depth, levels, layers);
break;
case Format.Bc2Srgb:
case Format.Bc2Unorm:
data = BCnDecoder.DecodeBC2(data, width, height, depth, levels, layers);
break;
case Format.Bc3Srgb:
case Format.Bc3Unorm:
data = BCnDecoder.DecodeBC3(data, width, height, depth, levels, layers);
break;
case Format.Bc4Snorm:
case Format.Bc4Unorm:
data = BCnDecoder.DecodeBC4(data, width, height, depth, levels, layers, Format == Format.Bc4Snorm);
break;
case Format.Bc5Snorm:
case Format.Bc5Unorm:
data = BCnDecoder.DecodeBC5(data, width, height, depth, levels, layers, Format == Format.Bc5Snorm);
break;
}
}
return data;